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Wu Q, Wang M, Chen W, Wang K, Wang Y. Daidzein exerts neuroprotective activity against MPTP-induced Parkinson's disease in experimental mice and lipopolysaccharide-induced BV2 microglial cells. J Biochem Mol Toxicol 2021; 36:e22949. [PMID: 34850494 DOI: 10.1002/jbt.22949] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/15/2021] [Accepted: 11/01/2021] [Indexed: 12/14/2022]
Abstract
Parkinson's disease (PD) ranks as the second most neurodegenerative disease characterized by loss of neurons, bradykinesia, anosmia, sleep disorder, and motor deficiency with increased global prevalence. Here, we have analyzed daidzein's neuroprotective functions in in vitro and in vivo models of PD. BV2 microglial cells induced with lipopolysaccharide (LPS) and C57BL6 mice induced with MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine) were used in this study to investigate neuroprotective functions of daidzein. BV2 cells induced with LPS do not exert and significant (p < 0.05) reduction in cell viability up to concentration range (5-100 µM/ml). Furthermore, LPS exposed BV2 microglia exhibited significantly (p < 0.05) increased NO production, pro-inflammatory mediators PGE2, interleukin-6 (IL6), and interleukin-1β (IL-1β) levels. Treatment with daidzein (10, 25, and 50 µM/ml) to LPS-induced BV2 microglia exhibited significantly (p < 0.05) decreased NO, pro-inflammatory mediators PGE2, IL6, and IlL-1β. Similar to the in vitro results, C57BL6 mice induced with MPTP showed defects in motor functions as observed from altered forelimb and hindlimb footprint analyses, grip strength, and perturbed motor coordination observed via rotarod tests. Additionally, levels of dopamine were significantly reduced, and pro-inflammatory mediators tumor necrosis factor alpha (TNF-α), IL-1β, IL6 were found to be increased in MPTP-induced C57BL6 PD mice. Administering daidzein significantly restored the functional levels of dopamine and pro-inflammatory mediators TNF-α, IL-1β, IL6 to near normal physiology as seen in healthy C57BL6 mice controls. Similarly, daidzein treatment to PD mice also restored the histological architecture to near normal levels as in control mice. Together, our results collectively endorse the neuroprotective functions of daidzein as observed from our initial studies, and further studies aimed at investigating daidzein's ability in regulating the catecholamine synthesis pathway to protect substantia nigra pars compacta (SNpc) neurons are in focus.
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Affiliation(s)
- Qiong Wu
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Maode Wang
- Neurosurgery Department, The First Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Wei Chen
- Neurosurgery Department, The First Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Kaili Wang
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Yujing Wang
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
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Li J, Kim KW, Oh H, Kim YC. Anti-inflammatory Effects of Sanhuang-Siwu-Tang in Lipopolysaccharide-Stimulated RAW264.7 Macrophages and BV2 Microglial Cells. Biol Pharm Bull 2021; 44:535-543. [PMID: 33563883 DOI: 10.1248/bpb.b20-00871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Sanhuang-Siwu-Tang (SST), composed of seven medicinal herbs, is a well-known herbal formula used for the treatment of gynecologic diseases. To expand the clinical use of SST, we explored the anti-inflammatory or anti-neuroinflammatory effects of SST water extract in lipopolysaccharide-stimulated RAW264.7 macrophages and BV2 microglial cells. According to HPLC analysis, the main components of SST were from Scutellariae Radix, Coptidis Rhizoma, and Paeoniae Radix. SST significantly inhibited pro-inflammatory mediators including lipopolysaccharide (LPS)-induced production of nitric oxide (NO) and prostaglandin E2 (PGE2) as well as protein expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2), and the production of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) in LPS-stimulated RAW264.7 macrophages and BV2 microglial cells. Furthermore, these anti-inflammatory or anti-neuroinflammatory effects of SST were mediated by mitogen-activated protein kinase-related proteins (MAPK) and nuclear factor κ-light-chain-enhancer of activated B cells (NF-κB)-related proteins. Overall, this study demonstrated that SST is a potential therapeutic formula for the prevention or treatment of inappropriate inflammation, neuroinflammation, or neurodegenerative diseases.
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Affiliation(s)
- Jing Li
- Institute of Pharmaceutical Research and Development, College of Pharmacy, Wonkwang University.,Department of Pharmacy, Jiujiang University Affiliated Hospital
| | - Kwan-Woo Kim
- Institute of Pharmaceutical Research and Development, College of Pharmacy, Wonkwang University
| | - Hyuncheol Oh
- Institute of Pharmaceutical Research and Development, College of Pharmacy, Wonkwang University
| | - Youn-Chul Kim
- Institute of Pharmaceutical Research and Development, College of Pharmacy, Wonkwang University
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Gao S, Cheng QC, Hu YG, Tan ZZ, Chen L, Liu SW, Kang QY, Wei T. LncRNA AK148321 alleviates neuroinflammation in LPS-stimulated BV2 microglial cell through regulating microRNA-1199-5p/HSPA5 axis. Life Sci 2020; 266:118863. [PMID: 33301806 DOI: 10.1016/j.lfs.2020.118863] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 11/29/2020] [Accepted: 12/01/2020] [Indexed: 02/06/2023]
Abstract
AIMS Dysregulated long non-coding RNA (lncRNA) expression is closely related to neuroinflammation, leading to multiple neurodegenerative diseases. In this study, we investigated the function and regulation of lncRNA AK148321 in neuroinflammation using an in vitro lipopolysaccharide (LPS)-stimulated BV2 microglial cell system. METHODS Expression of AK148321 was analyzed by qPCR. Inflammatory cytokine expression levels were determined by ELISA assay. The interaction between AK148321, microRNA (miRNA), and its target gene was validated by luciferase reporter assay and RNA immunoprecipitation (RIP). Cell apoptosis was analyzed by Annexin V/PI staining. RESULTS LPS treatment suppressed AK148321 expression in BV2 cells. Overexpression of AK148321 inhibited LPS-induced BV2 microglial cell activation and decreased the expression of inflammatory cytokine TNF-α and IL-1β. AK148321 function as a competing endogenous RNA (ceRNA) by sponging microRNA-1199-5p (MiR-1199-5p). In LPS-stimulated BV2 cells, AK148321 exerted its inhibitory function via negatively modulating miR-1199-5p expression. Moreover, we identified that Heat Shock Protein Family A Member 5 (HSPA5) was a direct target of miR-1199-5p. RIP assay using the anti-Ago2 antibody further validated the relationship among AK148321, miR-1199-5p and HSPA5. The AK148321/miR-1199-5p/HSPA5 axis regulated the neuroinflammation in LPS-induced BV2 microglial cells. Microglial cell culture supernatant from LPS-stimulated, AK148321-overexpressing BV2 cells suppressed the cell apoptosis of mouse hippocampal neuronal cell HT22, while HSPA5 knockdown abrogated the suppression effect. CONCLUSION Our findings suggest that AK148321 alleviates neuroinflammation in LPS-stimulated BV2 microglial cells through miR-1199-5p/HSPA5 axis.
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Affiliation(s)
- Shan Gao
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Yanta District, Xi'an, Shaanxi 710061, China
| | - Qiao-Chu Cheng
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Yanta District, Xi'an, Shaanxi 710061, China
| | - Ya-Guang Hu
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Yanta District, Xi'an, Shaanxi 710061, China
| | - Zi-Zhu Tan
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Yanta District, Xi'an, Shaanxi 710061, China
| | - Li Chen
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Yanta District, Xi'an, Shaanxi 710061, China
| | - Si-Wei Liu
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Yanta District, Xi'an, Shaanxi 710061, China
| | - Qian-Yan Kang
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Yanta District, Xi'an, Shaanxi 710061, China
| | - Ting Wei
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Yanta District, Xi'an, Shaanxi 710061, China.
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Guo T, Zhou D, Yang Y, Zhang X, Chen G, Lin B, Sun Y, Ni H, Liu J, Hou Y, Li N. Bioactive sesquiterpene coumarins from the resin of Ferula sinkiangensis targeted on over-activation of microglia. Bioorg Chem 2020; 104:104338. [PMID: 33142410 DOI: 10.1016/j.bioorg.2020.104338] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 09/18/2020] [Accepted: 09/30/2020] [Indexed: 12/21/2022]
Abstract
Nine undescribed (1-4, 6-10) sesquiterpene coumarins, together with a new natural one (5) and ten known ones (11-20), were isolated from the low polarity fraction of the 95% ethanol extract of the resin of Ferula sinkiangensis. Their structures were elucidated based on the comprehensive analysis of HRESIMS, 1D and 2D NMR data. The absolute configurations were determined by comparison of experimental and calculated ECD spectra. All the identified SCs were evaluated for their anti-neuroinflammatory activities in LPS-induced BV-2 cells. Ferusingensine G (8) displayed a significant inhibitory effect on nitric oxide (NO) production with an IC50 value of 1.2 μM. The results suggested that natural SCs might be served as potential neuroinflammatory inhibitors.
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Affiliation(s)
- Tingting Guo
- School of Traditional Chinese Materia Medica, Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, China
| | - Di Zhou
- School of Traditional Chinese Materia Medica, Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, China
| | - Yanqiu Yang
- College of Life and Health Sciences, Northeastern University, Shenyang 110004, China; State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin, China
| | - Xueni Zhang
- School of Traditional Chinese Materia Medica, Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, China
| | - Gang Chen
- School of Traditional Chinese Materia Medica, Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, China
| | - Bin Lin
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Yu Sun
- XinJiang Institute of Chinese Materia Medica and Ethnodrug, Urumqi 830002, China
| | - Hui Ni
- XinJiang Institute of Chinese Materia Medica and Ethnodrug, Urumqi 830002, China
| | - Jingyu Liu
- College of Life and Health Sciences, Northeastern University, Shenyang 110004, China; State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin, China
| | - Yue Hou
- College of Life and Health Sciences, Northeastern University, Shenyang 110004, China; State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin, China.
| | - Ning Li
- School of Traditional Chinese Materia Medica, Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, China.
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Kim KW, Quang TH, Ko W, Kim DC, Yoon CS, Oh H, Kim YC. Anti-neuroinflammatory effects of cudraflavanone A isolated from the chloroform fraction of Cudrania tricuspidata root bark. Pharm Biol 2018; 56:192-200. [PMID: 29521141 PMCID: PMC6130620 DOI: 10.1080/13880209.2018.1447972] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 02/12/2018] [Accepted: 02/28/2018] [Indexed: 11/12/2023]
Abstract
CONTEXT Cudrania tricuspidata Bureau (Moraceae) is an important source of traditional Korean and Chinese medicines used to treat neuritis and inflammation. OBJECTIVE The anti-neuroinflammatory effects of cudraflavanone A isolated from a chloroform fraction of C. tricuspidata were investigated in LPS-induced BV2 cells. MATERIALS AND METHODS Cudraflavanone A was isolated from the root of C. tricuspidata, and its structure was determined by MS and NMR data. Cytotoxicity of the compound was examined by MTT assay, indicating no cytotoxicity at 5-40 μM of cudraflavanone A. NO concentration was measured by the Griess reaction, and the levels of PGE2, cytokines and COX-2 enzyme activity were measured by each ELISA kit. The mRNA levels of cytokines were analysed by quantitative-PCR. The expression of iNOS, COX-2, HO-1, NF-κB, MAPKs and Nrf2 was detected by Western blot. RESULTS Cudraflavanone A had no major effect on cell viability at 40 μM indicating 91.5% viability. It reduced the production of NO (IC50 = 22.2 μM), PGE2 (IC50 = 20.6 μM), IL-1β (IC50 = 24.7 μM) and TNF-α (IC50 = 33.0 μM) in LPS-stimulated BV2 cells. It also suppressed iNOS protein, IL-1β and TNF-α mRNA expression. These effects were associated with the inactivation of NF-κB, JNK and p38 MAPK pathways. This compound mediated its anti-neuroinflammatory effects by inducing HO-1 protein expression via increased nuclear translocation of Nrf2. DISCUSSION AND CONCLUSIONS The present study suggests a potent effect of cudraflavanone A to prevent neuroinflammatory diseases. Further investigation is necessary to elucidate specific molecular mechanism of cudraflavanone A.
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Affiliation(s)
- Kwan-Woo Kim
- College of Pharmacy, Wonkwang University, Iksan, Republic of Korea
| | - Tran Hong Quang
- College of Pharmacy, Wonkwang University, Iksan, Republic of Korea
- Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam
| | - Wonmin Ko
- College of Pharmacy, Wonkwang University, Iksan, Republic of Korea
- Hanbang Cardio-Renal Syndrome Research Center, Wonkwang University, Iksan, Republic of Korea
| | - Dong-Cheol Kim
- College of Pharmacy, Wonkwang University, Iksan, Republic of Korea
- Hanbang Cardio-Renal Syndrome Research Center, Wonkwang University, Iksan, Republic of Korea
| | - Chi-Su Yoon
- College of Pharmacy, Wonkwang University, Iksan, Republic of Korea
| | - Hyuncheol Oh
- College of Pharmacy, Wonkwang University, Iksan, Republic of Korea
- Hanbang Cardio-Renal Syndrome Research Center, Wonkwang University, Iksan, Republic of Korea
| | - Youn-Chul Kim
- College of Pharmacy, Wonkwang University, Iksan, Republic of Korea
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Lu D, Zhu LH, Shu XM, Zhang CJ, Zhao JY, Qi RB, Wang HD, Lu DX. Ginsenoside Rg1 relieves tert-Butyl hydroperoxide-induced cell impairment in mouse microglial BV2 cells. J Asian Nat Prod Res 2015; 17:930-45. [PMID: 25971787 DOI: 10.1080/10286020.2015.1031117] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Microglial activation plays an important role in neurodegenerative diseases associated with oxidative stress. tert-Butyl hydroperoxide (t-BHP), an analog of hydroperoxide, mimics the oxidative damage to microglial cells. It has been reported that ginsenoside Rg1 (G-Rg1), an active ingredient of Panax ginseng, has anti-stress and anti-inflammatory properties. The present study aims to investigate the ability of G-Rg1 to decrease the t-BHP-mediated cell damage of BV2 microglial cells. We performed flow cytometry assays to facilitate the detection of reactive oxygen species as well as Western blotting analyses and immunofluorescence assays using specific antibodies, such as antibodies against phospho-mitogen-activated protein kinases (p-MAPKs), phospho-nuclear factor-κB (p-NF-κB), B-cell lymphoma 2 (Bcl-2), Bcl-2-associated X (Bax), Caspase-3, autophagy marker light chain 3 (LC3), and Becline-1. We found that treatment with 50 μM G-Rg1 protected microglial cells against oxidative damage induced by 10 μM t-BHP.
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Affiliation(s)
- Dan Lu
- a Key Laboratory of State Administration of Traditional Chinese Medicine of China, Department of Pathophysiology , School of Medicine, Institute of Brain Research, Jinan University , Guangzhou 510632 , China
- b Department of Internal Neurology , Guangzhou Overseas Chinese Hospital, The First Affiliated Hospital of Jinan University , Guangzhou 510632 , China
| | - Li-Hong Zhu
- a Key Laboratory of State Administration of Traditional Chinese Medicine of China, Department of Pathophysiology , School of Medicine, Institute of Brain Research, Jinan University , Guangzhou 510632 , China
| | - Xiao-Ming Shu
- a Key Laboratory of State Administration of Traditional Chinese Medicine of China, Department of Pathophysiology , School of Medicine, Institute of Brain Research, Jinan University , Guangzhou 510632 , China
| | - Chan-Juan Zhang
- a Key Laboratory of State Administration of Traditional Chinese Medicine of China, Department of Pathophysiology , School of Medicine, Institute of Brain Research, Jinan University , Guangzhou 510632 , China
| | - Jia-Yi Zhao
- a Key Laboratory of State Administration of Traditional Chinese Medicine of China, Department of Pathophysiology , School of Medicine, Institute of Brain Research, Jinan University , Guangzhou 510632 , China
| | - Ren-Bin Qi
- a Key Laboratory of State Administration of Traditional Chinese Medicine of China, Department of Pathophysiology , School of Medicine, Institute of Brain Research, Jinan University , Guangzhou 510632 , China
| | - Hua-Dong Wang
- a Key Laboratory of State Administration of Traditional Chinese Medicine of China, Department of Pathophysiology , School of Medicine, Institute of Brain Research, Jinan University , Guangzhou 510632 , China
| | - Da-Xiang Lu
- a Key Laboratory of State Administration of Traditional Chinese Medicine of China, Department of Pathophysiology , School of Medicine, Institute of Brain Research, Jinan University , Guangzhou 510632 , China
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